The role of elective tracheostomy after open-heart surgery.
D006348:Cardiac Surgical Procedures; D005112:Extracorporeal Circulation; D006352:Heart Ventricles; D006801:Humans; D011175:Positive-Pressure Respiration; D011183:Postoperative Complications / Q000401:mortality*; D012140:Respiratory Tract Diseases / Q000401:mortality*; D014140:Tracheotomy / Q000009:adverse effects*